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PDF 28C011T Data sheet ( Hoja de datos )
| Número de pieza | 28C011T | |
| Descripción | 1 Megabit (128K x 8-Bit) EEPROM | |
| Fabricantes | Maxwell Technologies | |
| Logotipo |  |
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28C011T
28C011T
1 Megabit (128K x 8-Bit) EEPROM
VCC
VSS
RES
OE
CE
WE
RES
A0
A6
A7
A16
High Voltage
Generator
Control Logic Timing
I/O0
I/O7 RDY/Busy
I/O Buffer and
Input Latch
Address
Buffer and
Latch
Y Decoder
X Decoder
Y Gating
Memory Array
Logic Diagram
Data Latch
FEATURES:
• 128k x 8-bit EEPROM
• RAD-PAK® radiation-hardened against natural space radia-
tion
• Total dose hardness:
- > 100 krad (Si), depending upon space mission
• Excellent Single Event Effects:
- No Latchup > 120 MeV/mg/cm2
- SEU > 90 MeV/mg/cm2 read mode
• Package:
- 32-pin RAD-PAK® flat package
- 32-pin Rad-Tolerant flat package
- JEDEC-approved byte-wide pinout
• High speed:
- 120, 150, and 200 ns maximum access times available
• High endurance:
- 10,000 erase/write (in Page Mode),
- 10 year data retention
• Page write mode:
- 1 to 128 bytes
• Low power dissipation
- 20 mW/MHz active (typical)
- 110 µ W standby (maximum)
DESCRIPTION:
Maxwell Technologies’ 28C011T high-density 1 Megabit (128K
x 8-Bit) EEPROM microcircuit features a greater than 100
krad (Si) total dose tolerance, depending upon space mission.
The 28C011T is capable of in-system electrical byte and page
programmability. It has a 128-byte page programming function
to make its erase and write operations faster. It also features
data polling and a Ready/Busy signal to indicate the comple-
tion of erase and programming operations. In the 28C010T,
hardware data protection is provided with the RES pin, in addi-
tion to noise protection on the WE signal and write inhibit on
power on and off. Software data protection is implemented
using the JEDEC optional standard algorithm.
Maxwell Technologies' patented RAD-PAK® packaging technol-
ogy incorporates radiation shielding in the microcircuit pack-
age. It eliminates the need for box shielding while providing
the required radiation shielding for a lifetime in orbit or space
mission. In a GEO orbit, RAD-PAK® provides greater than 100
krad (Si) radiation dose tolerance. This product is available
with screening up to Class S.
11.10.03 REV 10
(858) 503-3300- Fax: (858) 503-3301 - www.maxwell.com
All data sheets are subject to change without notice 1
©2003 Maxwell Technologies
All rights reserved.
1 page  
1 Megabit (128K x 8-Bit) EEPROM
28C011T
TABLE 8. 28C011T AC ELECTRICAL CHARACTERISTICS FOR PAGE/BYTE ERASE AND BYTE WRITE
OPERATIONS
(VCC = 5V + 10%, TA = -55 TO +125 °C)
PARAMETER
SYMBOL SUBGROUPS
MIN 1
MAX
UNITS
Write Pulse Width
CE controlled
-120
-150
-200
WE controlled
-120
www.DataSheet4U.com-150
-200
9, 10, 11
tCW
200
250
350
tWP
200
250
350
--
--
--
--
--
--
ns
Address Hold Time
-120
-150
-200
tAH 9, 10, 11
150
150
200
--
--
--
ns
Data Setup Time
-120
-150
-200
tDS 9, 10, 11
75
100
150
--
--
--
ns
Data Hold Time
-120
-150
-200
Chip Enable Hold Time (WE controlled)
-120
-150
-2000
Write Enable to Write Setup Time (CE controlled)
-120
-150
-200
Write Enable Hold Time (CE controlled)
-120
-150
-200
Output Enable to Write Setup Time
-120
-150
-200
Output Enable Hold Time
-120
-150
-200
tDH 9, 10, 11
ns
10 --
10 --
10 --
tCH 9, 10, 11
0 -- ns
0 --
0 --
tWS 9, 10, 11
ns
0 --
0 --
0 --
tWH 9, 10, 11
ns
0 --
0 --
0 --
tOES 9, 10, 11
ns
0 --
0 --
0 --
tOEH 9, 10, 11
ns
0 --
0 --
0 --
11.10.03 REV 10
All data sheets are subject to change without notice 5
©2003 Maxwell Technologies
All rights reserved.
5 Page 
1 Megabit (128K x 8-Bit) EEPROM
28C011T
FIGURE 5. PAGE WRITE TIMING WAVEFORM(2) (CE CONTROLLED)
www.DataSheet4U.com
FIGURE 6. DATA POLLING TIMING WAVEFORM
11.10.03 REV 10
All data sheets are subject to change without notice 11
©2003 Maxwell Technologies
All rights reserved.
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet 28C011T.PDF ] | |
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